svn commit: samba r4297 - in trunk/source: . lib
jra at samba.org
jra at samba.org
Mon Dec 20 22:33:45 GMT 2004
Author: jra
Date: 2004-12-20 22:33:43 +0000 (Mon, 20 Dec 2004)
New Revision: 4297
WebSVN: http://websvn.samba.org/cgi-bin/viewcvs.cgi?view=rev&root=samba&rev=4297
Log:
Patch from William Jojo <jojowil at hvcc.edu> to fix HPUX sendfile and add
configure.in tests and code for sendfile on AIX.
Jeremy.
Modified:
trunk/source/configure.in
trunk/source/lib/sendfile.c
Changeset:
Modified: trunk/source/configure.in
===================================================================
--- trunk/source/configure.in 2004-12-20 22:33:37 UTC (rev 4296)
+++ trunk/source/configure.in 2004-12-20 22:33:43 UTC (rev 4297)
@@ -4224,7 +4224,36 @@
AC_MSG_RESULT(no);
fi
;;
+ *aix*)
+ AC_CACHE_CHECK([for AIX send_file support],samba_cv_HAVE_SENDFILE,[
+ AC_TRY_LINK([\
+#include <sys/socket.h>],
+[\
+ int fromfd, tofd;
+ size_t total=0;
+ struct sf_parms hdtrl;
+ ssize_t nwritten;
+ off64_t offset;
+ hdtrl.header_data = 0;
+ hdtrl.header_length = 0;
+ hdtrl.file_descriptor = fromfd;
+ hdtrl.file_offset = 0;
+ hdtrl.file_bytes = 0;
+ hdtrl.trailer_data = 0;
+ hdtrl.trailer_length = 0;
+
+ nwritten = send_file(&tofd, &hdtrl, 0);
+],
+samba_cv_HAVE_SENDFILE=yes,samba_cv_HAVE_SENDFILE=no)])
+ if test x"$samba_cv_HAVE_SENDFILE" = x"yes"; then
+ AC_DEFINE(HAVE_SENDFILE,1,[Whether sendfile() is available])
+ AC_DEFINE(AIX_SENDFILE_API,1,[Whether the AIX send_file() API is available])
+ AC_DEFINE(WITH_SENDFILE,1,[Whether to include sendfile() support])
+ else
+ AC_MSG_RESULT(no);
+ fi
+ ;;
*)
;;
esac
Modified: trunk/source/lib/sendfile.c
===================================================================
--- trunk/source/lib/sendfile.c 2004-12-20 22:33:37 UTC (rev 4296)
+++ trunk/source/lib/sendfile.c 2004-12-20 22:33:43 UTC (rev 4297)
@@ -274,7 +274,7 @@
hdtrl[0].iov_len = hdr_len = 0;
}
hdtrl[1].iov_base = NULL;
- hdtrl[1].iov_base = 0;
+ hdtrl[1].iov_len = 0;
total = count;
while (total + hdtrl[0].iov_len) {
@@ -395,6 +395,62 @@
return count + hdr_len;
}
+#elif defined(AIX_SENDFILE_API)
+
+/* BEGIN AIX SEND_FILE */
+
+/* Contributed by William Jojo <jojowil at hvcc.edu> */
+#include <sys/socket.h>
+
+ssize_t sys_sendfile(int tofd, int fromfd, const DATA_BLOB *header, SMB_OFF_T offset, size_t count)
+{
+ size_t total=0;
+ struct sf_parms hdtrl;
+
+ /* Set up the header/trailer struct params. */
+ if (header) {
+ hdtrl.header_data = header->data;
+ hdtrl.header_length = header->length;
+ } else {
+ hdtrl.header_data = NULL;
+ hdtrl.header_length = 0;
+ }
+ hdtrl.trailer_data = NULL;
+ hdtrl.trailer_length = 0;
+
+ hdtrl.file_descriptor = fromfd;
+ hdtrl.file_offset = offset;
+ hdtrl.file_bytes = count;
+
+ while ( hdtrl.file_bytes + hdtrl.header_length ) {
+ ssize_t ret;
+
+ /*
+ Return Value
+
+ There are three possible return values from send_file:
+
+ Value Description
+
+ -1 an error has occurred, errno contains the error code.
+
+ 0 the command has completed successfully.
+
+ 1 the command was completed partially, some data has been
+ transmitted but the command has to return for some reason,
+ for example, the command was interrupted by signals.
+ */
+ do {
+ ret = send_file(&tofd, &hdtrl, 0);
+ } while ( (ret == 1) || (ret == -1 && errno == EINTR) );
+ if ( ret == -1 )
+ return -1;
+ }
+
+ return count + header->length;
+}
+/* END AIX SEND_FILE */
+
#else /* No sendfile implementation. Return error. */
ssize_t sys_sendfile(int tofd, int fromfd, const DATA_BLOB *header, SMB_OFF_T offset, size_t count)
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